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Tiffany Co. 18K White Gold Diamond Petals Key Pendant
By Tiffany Co.
Located in New York, NY
Brilliant beacons of optimism and hope, Tiffany Keys are radiant symbols of a bright future. This
Category

20th Century American Modern Pendant Necklaces

Materials

Diamond, White Gold

Exquisite 2.33ct Natural Diamonds Key Pendant in 18k Rose Gold
Located in רמת גן, IL
Unlock timeless elegance with this dazzling key-shaped pendant, intricately crafted in 18K rose
Category

2010s Singaporean Pendant Necklaces

Materials

Diamond, 18k Gold, Rose Gold

Syna Yellow Gold and Oxidized Silver Key Pendant with Diamonds
By Syna Jewels
Located in Fort Lee, NJ
Created in 18kyg & oxidized silver Diamonds 0.12 ct approx Limited edition Crafted from 18K yellow
Category

2010s Unknown Contemporary Pendant Necklaces

Materials

Diamond, Brown Diamond, 18k Gold, Yellow Gold, Silver

Tiffany white gold diamond large petal key pendant and chain.
By Tiffany Co.
Located in Addlestone, GB
TIFFANY & CO, A DIAMOND PETALS KEY PENDANT NECKLACE Tiffany Keys are radiant symbols of a bright
Category

2010s American Pendant Necklaces

Materials

Diamond, White Gold

10 Karat White Gold and Diamond Heart Key Pendant #20957
Located in Washington Depot, CT
10K White Gold and Diamond Heart Key Pendant- Give her the key to your heart! This sparkling
Category

20th Century Pendant Necklaces

Materials

Diamond, 10k Gold, White Gold

RUCHI Emerald and Diamond Yellow Gold Key-Shaped Pendant
By Ruchi New York
Located in New York, NY
18K Yellow Gold Emerald: 1.48ct Total Weight. Diamond: 1.21ct Total Weight. All diamonds are G-H/SI
Category

2010s Hong Kong Contemporary Pendant Necklaces

Materials

Diamond, Emerald, Gold, 18k Gold, Yellow Gold

Art Nouveau, Skeleton Key with Diamond Charm Pendant, 24K Gold 0.02ct Diamonds
Located in Bozeman, MT
Skeleton Key and Diamond Charm Pendant, 24kt Yellow Gold and 0.02ct Diamonds, comes with 16" gold
Category

2010s Turkish Art Nouveau Pendant Necklaces

Materials

Diamond, Gold, 24k Gold, Yellow Gold

Ruby Fancy Diamond Pave Set 18K Rose Gold Key Pendant
By Unbranded
Located in Oakton, VA
Dimensions: 4.40x1.30x0.50cm Color: 18K Rose Gold Materials: "47 Fancy Diamonds 0.16 CT 27 Ruby
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Rose Gold

Green Garnet Fancy Diamond Floral Flower 18K Yellow Key Pendant
By Unbranded
Located in Oakton, VA
Dimensions: 4.40x1.30x0.50cm Color: 18K Yellow Gold Materials: "58 Fancy Diamonds 0.19 CT 8 Green
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Tsavorite, 18k Gold, Yellow Gold

Green Garnet Fancy Diamond Pave 18K Yellow Gold Key Pendant
By Unbranded
Located in Oakton, VA
Dimensions: 4.40x1.30x0.50cm Color: 18K Yellow Gold Materials: "47 Fancy Diamonds 0.15 CT 27 Green
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Garnet, 18k Gold, Yellow Gold

14 Karat White and Yellow Gold Diamond Key Pendant
Located in Scottsdale, AZ
Diamond: 1 round brilliant cut= 1.30ct Color: J Clarity: VS2 Diamonds: 18 round brilliant cuts = 0.36cttw
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold, Yellow Gold

AENEA 18k White Gold White and Black Diamonds Key Pendant
By AENEA Jewellery
Located in Salzburg, AT
This LOVE Key Pendant with White and black diamonds is handcrafted in white gold, sterling silver
Category

21st Century and Contemporary Austrian Modern Pendant Necklaces

Materials

White Diamond, Black Diamond, 18k Gold, Rhodium, Sterling Silver, White ...

Modern White Gold 0.75 CARAT Natural Round Brilliant Diamond Key Shaped Pendant
Located in Los Angeles, CA
Modern 14K white gold natural diamond key pendant necklace set with 42 colorless round brilliant
Category

2010s Pendant Necklaces

Materials

Diamond, 14k Gold, White Gold

Georgios Collections 18 Karat Yellow Gold Greek Key Design Diamond Pendant
By Georgios Collections Inc
Located in Astoria, NY
modern Greek Key design, symbolizing eternity and unity. This elegant pendant is adorned with brilliant
Category

21st Century and Contemporary Greek Classical Greek Pendant Necklaces

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold

Yellow Gold Diamond Ruby Skeleton Key Pendant 18k Round Brilliant .13ctw
Located in Greensboro, NC
Metal Content: 18k Yellow Gold & 18k White Gold Stone Information Natural Diamonds Carat(s
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, 18k Gold, Yellow Gold

Art Deco Platinum Diamond Ruby Sapphire Emerald Key Charm Pendant
Located in London, GB
An Art Deco platinum charm pendant designed as a key set with 33 round brilliant cut diamonds with
Category

Vintage 1910s British Art Deco Pendant Necklaces

Materials

Diamond, Emerald, Ruby, Sapphire, Platinum

Estate 14k Yellow Gold 0.40ctw Diamond Heart Shaped Skeleton Key Pendant
Located in Montclair, NJ
–Stone(s)– (Numerous) Natural Genuine Diamonds - Round Brilliant Cut - Pave Set - G-I Color - SI2
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Gold, 14k Gold, Yellow Gold

Exquisite 0.9ct Natural Diamonds Key-Shaped Pendant in 18K White Gold
Located in רמת גן, IL
Unlock the door to elegance with this dazzling 18K white gold key-shaped pendant, designed to
Category

2010s Singaporean Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Green Garnet Fancy Diamond Pave Clover 18K Yellow Gold Key Pendant
By Unbranded
Located in Oakton, VA
Dimensions: 4.40x1.30x0.50cm Color: 18K Yellow Gold Materials: "47 Fancy Diamonds 0.15 CT 27 Green
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Garnet, 18k Gold, Yellow Gold

Tiffany Company 18K Two Tone Gold Ruby and Diamond Butterfly Key Pendant
By Tiffany Co.
Located in Philadelphia, PA
This Tiffany & Co. key pendant from the Tiffany Keys collection, features a diamond-pavé key shape
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Ruby, Gold, 18k Gold, White Gold, Yellow Gold

Barbara Bixby Sterling Silver 18K Yellow Gold Diamond Signature Key Pendant
Located in Washington Depot, CT
Sterling silver and 18K yellow gold with diamonds key pendant enhancer by Barbara Bixby
Category

20th Century Pendant Necklaces

Materials

Diamond, Yellow Gold, Sterling Silver

Georgios Collections 18 Karat White Gold Greek Key Design Blue Diamond Pendant
By Georgios Collections Inc
Located in Astoria, NY
modern Greek Key design, symbolizing eternity and unity. This elegant pendant is adorned with brilliant
Category

21st Century and Contemporary Greek Classical Greek Pendant Necklaces

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, White Gold

Key Magic Pendant in 18k Gold with Diamonds and Pearl Shell
Located in Hong Kong, HK
Amazing Pendant with Diamonds & Brown Diamonds Exclusive work of great handcraft ship! Total
Category

21st Century and Contemporary Hong Kong Modern Pendant Necklaces

Materials

Diamond, Brown Diamond, Pearl, 18k Gold, Rose Gold

Certified Padparadscha Sapphire and Diamond Key Pendant in 18K White Gold
Located in Kowloon, HK
Indulge in the exquisite luxury of our classic diamond pendant, showcasing a breathtaking and one
Category

2010s Hong Kong Art Deco Pendant Necklaces

Materials

Diamond, Sapphire, Padparadscha Sapphire , 18k Gold, White Gold

Tiffany Company Diamond Trefoil Key Pendant, 18K White Gold, Length 2.25 Inch
By Tiffany Co.
Located in McLeansville, NC
Stones: - diamonds, 3 stones - round brilliant cut - approximately .07 total carats - F-G color, VS
Category

Vintage 1980s Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Georgios Collections 18 Karat Yellow Gold Diamond Greek Key Round Drop Pendant
By Georgios Collections Inc
Located in Astoria, NY
Greek Key of Life set all with diamonds and we have set black enamel on the piece where we pass the 18
Category

21st Century and Contemporary Greek Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Gold, 18k Gold, Yellow Gold, Enamel

0.51 carats of Key shaped Pendant
Located in New York, NY
Elevate your style with our captivating key-inspired pendant, meticulously crafted from elegant
Category

2010s Indian Modern Pendant Necklaces

Materials

White Diamond, Yellow Diamond, 18k Gold, White Gold

Georgios Collections 18 Karat Yellow Gold Diamond Greek Key Cross with Chain
By Georgios Collections Inc
Located in Astoria, NY
diamond total weight of 0.03 Carat. This art piece also comes with a Chain of 17.0 inches and can be
Category

21st Century and Contemporary Greek Classical Greek Pendant Necklaces

Materials

Diamond, White Diamond, Blue Diamond, Yellow Diamond, Pink Diamond, Blac...

Tiffany Co Fleur De Lis Diamond Key Pendant in 18 Karat Rose Gold
By Tiffany Co.
Located in San Diego, CA
Tiffany & Co Fleur de Lis Diamond Key Pendant withChain Style: Pendant Necklace Ref. number
Category

2010s Pendant Necklaces

Materials

Diamond, Rose Gold

Georgios Collections 18 Karat Gold Sapphire and Diamond Greek Key Long Pendant
By Georgios Collections Inc
Located in Astoria, NY
This S.Georgios designer 18 Karat Yellow Gold Pendant Enhancer is made with Diamonds and sapphires
Category

21st Century and Contemporary Greek Classical Greek Pendant Necklaces

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow ...

Georgios Collections 18 Karat Yellow Gold Sapphire and Diamond Greek Key Pendant
By Georgios Collections Inc
Located in Astoria, NY
This S.Georgios designer 18 Karat Yellow Gold Pendant Enhancer is made with Diamonds and sapphires
Category

21st Century and Contemporary Greek Classical Greek Pendant Necklaces

Materials

Diamond, White Diamond, Sapphire, Blue Sapphire, Gold, 18k Gold, Yellow ...

18k Gold 0.50ctw Diamond Maltese Cross Enhancer Pendant w/ Hearts Greek Key
Located in Montclair, NJ
--Stone(s):-- (64) Natural Genuine Diamonds - Round Brilliant Cut - Pave Set - VS2-SI2 Clarity - G
Category

21st Century and Contemporary Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

Designer EFFY Ruby and Diamond Open Key Gold Pendant Estate Fine Jewelry
By Effy
Located in Montreal, QC
Simply Beautiful! Finely Detailed Designer EFFY Ruby encrusted Open Key Pendant, set with 2.52tcw
Category

21st Century and Contemporary Modern Pendant Necklaces

Materials

Diamond, Ruby, Gold, 14k Gold, Rose Gold

Tiffany Co. Diamond Heart Key Pendant with Bead Chain in 18 Karat White Gold
By Tiffany Co.
Located in Scottsdale, AZ
Unlock timeless elegance with this authentic Tiffany & Co. diamond heart key pendant. Crafted in
Category

21st Century and Contemporary Unknown Contemporary Pendant Necklaces

Materials

Diamond, Gold, 18k Gold, White Gold

Antique Greek Key Pendant of 14k Gold
Located in Lewisburg, PA
Greek key pattern is delicately inlaid with rose cut diamonds, adding a soft, antique sparkle that
Category

Antique Late 19th Century Victorian Pendant Necklaces

Materials

Diamond, Rock Crystal, 14k Gold

Key Pendant 18k White Gold Pink Enamel 162 Diamonds total 1.90 ct Amethyst
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer key pendant 18k white gold, pink vitreous enamel, 162 diamonds, total 1.90 ct, G VS
Category

21st Century and Contemporary German Art Deco Pendant Necklaces

Materials

Amethyst, Diamond, 18k Gold, White Gold, Enamel

Key Pendant 18k White Gold Blue Vitreous Enamel 44 Diamonds 0.36ct GVS Rubellite
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer key pendant 18k white gold, translucent dark blue vitreous enamel, 44 diamonds, total
Category

21st Century and Contemporary German Contemporary Pendant Necklaces

Materials

Diamond, Rubelite, 18k Gold, White Gold, Enamel

18KT Florentine Engraved Key Pendant with Chain
Located in Lynchburg, VA
Florence for over 600 years. It features one round, full-cut diamond in the center of the key measuring .02
Category

2010s Italian Revival Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold, Yellow Gold

Tiffany Co. Fluer de Lis Diamond Key Pendant in Platinum 0.37 CTW
By Tiffany Co.
Located in New York, NY
Tiffany & Co. Key Collection Diamond Pendant in Platinum 0.37 CTW PRIMARY DETAILS SKU: 144538
Category

21st Century and Contemporary Pendant Necklaces

Materials

Platinum

Diamond Cascade Necklace in 18K White Gold
Located in Hong Kong, HK
diamond jewelry. Key Details Type: Diamond Necklace Metal: 18K White Gold Gold Weight: 38.6 grams
Category

21st Century and Contemporary Thai Drop Necklaces

Materials

Diamond, White Gold

Key Pendant, 18k White Gold, Grey Enamel 162 Diamonds 1.90 Ct G VS Amethyst
By Victor Mayer
Located in Pforzheim, DE
Victor Mayer key pendant 18k white gold, falcon grey vitreous enamel, 162 diamonds, total 1.90 ct
Category

21st Century and Contemporary German Art Deco Drop Necklaces

Materials

Amethyst, Diamond, 18k Gold, White Gold, Enamel

Radiant Oval Halo Diamond Necklace in 18K White Gold
Located in Hong Kong, HK
enduring love. Key Details Type: Diamond Necklace Metal: 18K White Gold Gold Weight: 6.80 grams Center
Category

21st Century and Contemporary Thai Drop Necklaces

Materials

Diamond, White Gold

GIA Certified 1 Carat Pear Cut Diamond Pendant Necklace
By Antinori Fine Jewels
Located in Chicago, IL
grace your neckline with a captivating natural diamond. Key Features: The necklace is delicately
Category

2010s Italian Modern Drop Necklaces

Materials

Diamond, White Diamond, 14k Gold, White Gold

Georgios Collections 18 Karat Gold Greek Key Emerald, Sapphire and Ruby Pendant
By Georgios Collections Inc
Located in Astoria, NY
carved forming a Greek Key design, which is the symbol of eternity. This stunning pendant features
Category

21st Century and Contemporary Greek Classical Greek Pendant Necklaces

Materials

Diamond, White Diamond, Emerald, Ruby, Sapphire, Gold, 18k Gold, Yellow ...

Precious Key Pendant 18 kt solid Whitegold with Brilliants total 1 ct TW IF-VVS
Located in Viena, Viena
normally we have key pendants in this size only in silver in the collection, so we are all the
Category

2010s Italian Modern Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

AJD 19 Inch Multi Color Beaded Sapphire Necklace Great Gift!
By Aria Jewelry Design
Located in Raleigh, NC
to diamonds. Key Features: 19-inch Sapphire necklace with graduated gemstones Multi-color sapphires
Category

21st Century and Contemporary Indian Artisan Beaded Necklaces

Materials

Sapphire

Tiffany Co. Platinum and 18K Rose Gold Pink and White Diamond Pendant
By Tiffany Co.
Located in Chicago, IL
Tiffany & Co. Platinum and 18K Rose Gold Pink and White Diamond Flower Key Pendant Necklace An
Category

2010s American Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Pink Diamond, Platinum, 18k Gold, Rose Gold

.925 Sterling Silver Diamond Accent Taurus Zodiac Key Pendant Necklace
Located in New York, NY
It's as if the stars aligned to create this stunning .925 Sterling Silver necklace flaunting a
Category

21st Century and Contemporary Chinese Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver

.925 Sterling Silver Diamond Accent Gemini Zodiac Key Pendant Necklace
Located in New York, NY
It's as if the stars aligned to create this stunning .925 Sterling Silver necklace flaunting a
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver

.925 Sterling Silver Diamond Accent Capricorn Zodiac Key Pendant Necklace
Located in New York, NY
It's as if the stars aligned to create this stunning .925 Sterling Silver necklace flaunting a
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver

.925 Sterling Silver Diamond Accent Aries Zodiac Key Pendant Necklace
Located in New York, NY
It's as if the stars aligned to create this stunning .925 Sterling Silver necklace flaunting an
Category

21st Century and Contemporary Indian Contemporary Pendant Necklaces

Materials

Diamond, White Diamond, Sterling Silver

Bloom Diamond Key Necklace in 18k Rose Gold
By Butani
Located in Hong Kong, Kowloon
Bloom Diamond Key Necklace in 18K Rose Gold Inspired by the exquisite petals of the alpine
Category

2010s Hong Kong Pendant Necklaces

Materials

Diamond, Rose Gold

Bloom Diamond Key Necklace in 18k Yellow Gold
By Butani
Located in Hong Kong, Kowloon
Bloom Diamond Key Necklace in 18K Yellow Gold Inspired by the exquisite petals of the alpine
Category

2010s Hong Kong Pendant Necklaces

Materials

Diamond, Yellow Gold

Bloom Diamond Key Necklace in 18k White Gold
By Butani
Located in Hong Kong, Kowloon
Bloom Diamond Key Necklace in 18K White Gold Inspired by the exquisite petals of the alpine
Category

2010s Hong Kong Pendant Necklaces

Materials

Diamond, White Gold

Diamond Key Necklace, White Gold
By Salude
Located in New York, NY
18k solid gold key set with VVS1-2, D-F color diamonds. Pendant only, chain sold separately.
Category

2010s American Pendant Necklaces

Materials

Diamond, 18k Gold, White Gold

Diamond Key Necklace, Yellow Gold
By Salude
Located in New York, NY
18k solid gold key set with VVS1-2, D-F color diamonds. Pendant only, chain sold separately.
Category

2010s American Pendant Necklaces

Materials

Diamond, 18k Gold, Yellow Gold

Bloom Diamond Key Necklace with Mother of Pearl in 18k White Gold
By Butani
Located in Hong Kong, Kowloon
Bloom Diamond Key Necklace with Mother-of-Pearl in 18K White Gold Inspired by the exquisite petals
Category

2010s Hong Kong Pendant Necklaces

Materials

Diamond, Pearl, White Gold

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Diamond Key Necklaces For Sale on 1stDibs

Find an expansive variety of diamond key necklaces available on 1stDibs. Frequently made of gold, 18k gold and white gold, these items were constructed with great care. Our collection of these items for sale includes 93 vintage editions and 391 modern creations to choose from as well. Our collection, which features older pieces for sale from the 18th Century and newer versions made as recently as the 21st Century, has proven very popular over the years. The designs in our inventory of diamond key necklaces bearing modern or contemporary hallmarks are very popular. Many examples in our inventory of these items are appealing no matter their origins, but Tiffany Co., Georgios Collections Inc and Butani produced popular versions that are worth a look. A selection of round cut, brilliant cut and princess cut can be found today on these pages. If you’re browsing the variety of diamond key necklaces for sale, you’ll find that many are available today for women, but there are still pieces to choose from for men.

How Much are Diamond Key Necklaces?

Prices for diamond key necklaces can differ depending upon size, time period and other attributes — at 1stDibs, these accessories begin at $95 and can go as high as $1,250,000, while diamond key necklaces, on average, fetch $3,200.

The Legacy of Diamond in Jewelry Design

Antique diamond rings, diamond tiaras and dazzling vintage diamond earrings are on the wish lists of every lover of fine jewelry. And diamonds and diamond jewelry are primarily associated with storybook engagements and red-carpet grand entrances — indeed, this ultra-cherished gemstone has a dramatic history on its hands.

From “A Diamond Is Forever” to “Diamonds Are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. But what makes the diamond so special? Each stone — whether it’s rubies, sapphires or another stone — is unique and important in its own right. April babies might claim diamonds for themselves, but just about everyone wants this kind of sparkle in their lives!

There are several factors that set diamonds apart from other stones, and these points are important to our gem education.

Diamonds are minerals. They are made up of almost entirely of carbon (carbon comprises 99.95 percent; the remainder consists of various trace elements). Diamonds are the hardest gemstones, ranking number 10 on the Mohs Hardness Scale. Even its name, diamond, is rooted in the Greek adamas, or unconquerable. The only object that can scratch a diamond is another diamond. Diamonds are formed deep within the earth at very high temperatures (1,652–2,372 degrees Fahrenheit at depths between 90 and 120 miles beneath the earth’s surface) and are carried up by volcanic activity. Diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality.

In the 1950s, the Gemological Institute of America developed the 4Cs grading system to classify diamonds: clarity, color, cut and carat weight. Not all diamonds are created equal (there are diamonds, and then there are diamonds). The value of the diamond depends on the clarity (flawless diamonds are very rare but a diamond's value decreases if there are many blemishes or inclusions), color (the less color the higher the grade), cut (how the diamond’s facets catch the light, certain cuts of diamonds show off the stone better than others) and carat weight (the bigger, the better).

When you start shopping for a diamond engagement ring, always prioritize the cut, which plays the largest role in the diamond's beauty (taking the time to clean your diamond ring at least every six months or so plays a role in maintaining said beauty). And on 1stDibs, a range of buying guides can be found for those in the market for antique engagement ringsvintage engagement rings or Art Deco engagement rings

Shop antique and vintage diamond rings, diamond necklaces and other extraordinary diamond jewelry on 1stDibs.  

Finding the Right Pendant Necklaces for You

Whether you’re layering multiple jewelry pieces or opting for a single strand, vintage pendant necklaces are versatile accessories that can elevate your casual wear as easily as they can add a creative flourish to your formal attire.

The earliest jewelry was less about accessorizing than it was about wearers arming themselves with amulets. In Ancient Egypt, some amulets featured a loop so that they could be strung around one’s neck. While rubies have long been one of the few gemstones that can give diamonds a run for their money, members of some ancient civilizations valued the stones from the get-go, donning ruby pendants as well as other stones with the belief that these adornments would bring protection, healing powers or strength. Today, we still wear our charm bracelets and charm pendants around our necks for good luck.

Later, pendant necklaces, like most fine jewelry, were worn strictly by royalty or the upper class and conferred wealth and prestige. This changed over time, thankfully, as wearing jewelry became more widespread, a democratized means of personal expression.

During the 18th and 19th centuries, pendant necklaces evolved from their status as spiritual amulets, but the jewels still carried deep personal significance. Victorian pendants, in particular, were part of the “mourning jewelry” tradition. Wearers would embed their pendants with locks of hair from a deceased loved one as a way of grieving in the wake of a loss. In the case of cameo jewelry, some pendants were even decorated with miniature hand-carved portraits in a detailed raised relief. Today, portraiture is still a characteristic of many of the hand-carved pendant necklaces offered by Italian jewelry house Scala Gioielli.

Luxury fine jewelry brands such as Cartier, BVLGARI and David Yurman offer their own unique interpretations of the cherished accessory, embellishing platinum or gold pendant necklaces with diamonds, sapphires and other stones.

On 1stDibs, find an extraordinary range of vintage pendant necklaces and other necklaces today.

Questions About Diamond Key Necklaces
  • 1stDibs ExpertFebruary 22, 2021
    Necklaces with key pendants symbolize opening a door of opportunity or holding the key to the wearer's heart. They make for great gifts for romantic partners.
  • 1stDibs ExpertApril 5, 2022
    Wearing a key on a necklace is often done as a sign of good luck or freedom ahead. The key can be a symbol of unlocking any obstacles as you move forward through life. On 1stDibs, find a collection of key pendants.
  • 1stDibs ExpertFebruary 22, 2021
    The cost of a diamond necklace can range quite a bit depending on material, craftsmanship, quality, and condition. On 1stDibs.com, you can shop a variety of diamond necklaces at a range of prices. Browse contemporary and antique necklaces starting at $125.
  • 1stDibs ExpertNovember 6, 2023
    There is no hard-and-fast rule for how many carats a diamond necklace should be. On average, solitaire diamond necklaces range from 0.5 to 1 carat, but you can find pieces with larger and smaller stones. Tennis chains that feature continuous diamonds set into links usually have much higher total carat weights. For example, one might feature 60 individual diamonds, each 0.20 carats in size, for a total carat weight of 12.0 carats. Shop a wide range of diamond necklaces on 1stDibs.
  • 1stDibs ExpertMay 5, 2023
    Whether a diamond necklace is a good gift is largely a matter of preference. However, diamonds offer timeless appeal, and with respect to styles, all kinds of diamond necklaces have been made over the years, which means you’ll have a lot of options when it comes to shopping for a gift. From “A Diamond Is Forever” to “Diamonds are a Girl’s Best Friend,” pop culture has ingrained in our minds that diamonds are the most desired, the most lasting and the most valuable gemstone. They are the hardest gemstones, and diamonds are quite rare, according to the Gemological Institute of America, and only 30 percent of all the diamonds mined in the world are gem quality. Shop a selection of diamond necklaces on 1stDibs.
  • 1stDibs ExpertNovember 21, 2023
    Diamond tennis necklaces remain popular even as trends change from season to season. This style of accessory is luxurious, nostalgic, wearable everyday and delights the eye with its sparkle. Plus, the tennis chain is versatile. It can coordinate with both casual and dressy attire and be worn alone or layered. Explore a variety of diamond tennis necklaces on 1stDibs.
  • 1stDibs ExpertApril 5, 2022
    What a diamond heart necklace means is largely a matter of personal interpretation. Most people associate the heart shape with love. As a result, giving a person a heart necklace is often a way of expressing that you love them. On 1stDibs, shop a selection of diamond heart necklaces.
  • 1stDibs ExpertOctober 19, 2021
    Tiffany diamond necklaces are dazzling and covetable pieces of jewelry. Tiffany Co. is one of the most prominent purveyors of luxury goods in the United States, and has long been an important arbiter of style in the design of necklaces as well as diamond engagement rings. When a jewelry enthusiast mentions “the Tiffany Diamond,” this refers to the 128.54 yellow-carat Tiffany Diamond, which was found in the Kimberley diamond mines in South Africa in 1877. This jewel was worn by pop music icon Beyoncé in a 2021 ad campaign. The estimated value of the Tiffany Diamond in 2019 was $30 million. Shop a range of antique and vintage Tiffany diamond necklaces on 1stDibs today.
  • 1stDibs ExpertNovember 1, 2023
    Yes, you can generally wear a diamond tennis necklace every day. Due to the small size of the stones, tennis necklaces can complement casual attire as easily as they can dressier ensembles. However, you should remove your necklace before you shower and when you're exercising, playing sports and doing other activities that could damage your jewelry. Find a collection of diamond tennis necklaces on 1stDibs.
  • 1stDibs ExpertDecember 4, 2023
    Yes, men can wear a diamond tennis necklace. Since there are no hard-and-fast rules when it comes to men's jewelry, you're free to sport anything that you find appealing. Pete Davidson, Drake and Timothée Chalamet are just some of the famous men who have been spotted wearing tennis chains. On 1stDibs, shop a wide range of diamond tennis necklaces.
  • 1stDibs ExpertDecember 4, 2023
    There is no single best setting for a diamond tennis necklace. You can find tennis chains with both prong and bezel settings, and both types can keep diamonds secure when they are well crafted. The biggest difference is that full bezel settings encircle the gemstones, while prongs hug the stones with three or four metal elements, leaving most of their edges visible. Feel free to choose the type of setting that appeals most to you. On 1stDibs, explore a wide range of diamond tennis necklaces.
  • 1stDibs ExpertDecember 4, 2023
    Yes, some Vivienne Westwood necklaces are real diamonds. However, the luxury jewelry brand also uses other materials, like glass and acrylic rhinestones, in some pieces. Generally, necklaces from the company’s fine jewelry collection are more likely to feature real diamonds than those from Vivienne Westwood's fashion jewelry line. Shop a selection of Vivienne Westwood jewelry on 1stDibs.
  • 1stDibs ExpertMarch 22, 2022
    The best way to tell if a diamond tennis necklace is real is to hire a licensed appraiser to evaluate it. While you can perform tests like seeing if fog dissipates quickly after breathing on it, it's generally not possible to verify for certain that diamonds are real on your own. You'll find a range of expertly vetted diamond tennis necklaces on 1stDibs.
  • 1stDibs ExpertNovember 1, 2023
    There is no set number of diamonds on a 16-inch tennis necklace. The number of diamonds that make up a tennis chain often depends on the size of the gemstones. Generally, the larger the diamonds are, the fewer there are on a tennis necklace. On 1stDibs, explore a variety of tennis necklaces.
  • 1stDibs ExpertNovember 21, 2023
    Yes, you can wear diamond stud earrings with a pearl necklace. The elegant combination is fashionable for everything from a day at the office to Sunday brunch to a night on the town. To create a bold look, try pairing large diamond studs with a single strand of pearls or a dramatic multi-strand pearl necklace with smaller stud earrings. On 1stDibs, shop a diverse assortment of diamond stud earrings and pearl necklaces.

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